/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

namespace Composite.Core.Types
{
    /// <summary>    
    /// </summary>
    /// <exclude />
    [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)] 
    public sealed class ExtendedNullable<T>
    {
        private T _value = default(T);
        private bool _hasValue = false;


        /// <exclude />
        public static implicit operator ExtendedNullable<T>(T value)
        {
            ExtendedNullable<T> extendedNullable = new ExtendedNullable<T>();

            extendedNullable.Value = value;

            return extendedNullable;
        }


        /// <exclude />
        public bool HasValue
        {
            get
            {
                return _hasValue;
            }
        }


        /// <exclude />
        public T Value
        {
            get
            {
                return _value;
            }
            set
            {
                SetValue(value);
            }
        }


        private void SetValue(T value)
        {
            _value = value;
            _hasValue = true;
        }
    }
}
